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   换向 在 石油天然气工业 分类中 的翻译结果: 查询用时:0.019秒
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换向
相关语句
  reversing
    Mechanical reversing device for full balanced belt pumping unit.
    全平衡带式长冲程抽油机辅助换向装置
短句来源
    New Type Automatic Reversing of Controlling Technology about Hydraulic Mud Pump
    新型液压泥浆泵自动换向控制技术
短句来源
    The result shows that the automatical reversing method is feasible.
    结果表明,这种机械自动换向的方法是可行的。
短句来源
    Mechanical reversing mechanism on load-belt long Stroke pumping units.
    宽带长冲程抽油机的机械换向装置
短句来源
    Method for reducing the impact force during forced reversing on load-belt pumping units.
    减小宽带长冲程抽油机机械换向冲击力的方法
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  “换向”译为未确定词的双语例句
    Principle of chain driv epumping unit without reverse rack
    无换向架链条抽油机的原理与应用
短句来源
    Reverse control of hydraulic duplex drilling pump
    双缸单作用液压钻井泵换向控制探讨
短句来源
    Finite element analysis of framework on motor-reversing type pumping unit
    电动机换向抽油机支架的有限元分析
短句来源
    Finite Element Optimized Design Framework of Motor-reversing Type Pumping Unit
    电机换向抽油机支架的有限元优化设计
短句来源
    Test results show that the surface efficiency of the motor-reversing type pumping unit reaches about 80%, and its downhole efficiency is appropriately 47%, and the system efficiency is 40% or so.
    经测试 ,电动机换向智能抽油机的地面效率在 80 %左右 ,接近有杆泵地面效率理论最高值 ,井下效率在 4 7%左右 ,系统效率在 4 0 %左右。
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  reversing
An order-reversing duality map for conjugacy classes in Lusztig's canonical quotient
      
We then show that there is a unique order-reversing duality map No,c → LNo,c that has certain properties analogous to those of the original Lusztig-Spaltenstein duality map.
      
Our research is focused on identifying synthetically occurring chemotherapeutic substances capable of inhibiting, retarding, or reversing the process of multistage carcinogenesis.
      
Reversing this process, i.e., exchanging with K+, returned phosphate metabolism to normal.
      
The total heat flow, modulated heat flow, reversing heat flow, and nonreversing heat flow under heating and cooling schedules are measured.
      
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The rocker-type pumping unit described in this article has a crank-rocker mechanism and a wobble wheel instead of the pitman, walking beam and horsehead of a conventional pumping unit, and uses compressed air instead of the counterweights. The prime motor rotates in a fixed direction and the alternating motion of the carrier bar is accomplished by the crank-rocker mechanism.The unit is characterizied by smooth and reliable reverse and good balance. It can work with long stroke at low pumping speed, so it is...

The rocker-type pumping unit described in this article has a crank-rocker mechanism and a wobble wheel instead of the pitman, walking beam and horsehead of a conventional pumping unit, and uses compressed air instead of the counterweights. The prime motor rotates in a fixed direction and the alternating motion of the carrier bar is accomplished by the crank-rocker mechanism.The unit is characterizied by smooth and reliable reverse and good balance. It can work with long stroke at low pumping speed, so it is suitable for deep well exploitation and thick oil production.

摇杆式抽油机以摇杆、摆轮代替连杆、游梁和驴头,用气压平衡代替平衡块。电动机单向旋转,用曲柄摇杆机构换向,实现悬点的往复直线运动。这种抽油机的特点是换向平稳可靠,平衡效果好,可实现长冲程低冲次抽汲,适用于深井和稠油开采。

Starting with investigation in the design feature of the load belt pumping unit, the author analyzes the motion characteristic of the polished rod and the cause accounting for the occurence of reversing impact on this kind of pumping unit, discusses the possibility of energy-saving, and points out that it cannot operate in an efficient energy consumption range.

从宽带抽油机的结构原理入手,从理论上分析了该型抽油机的悬点运动规律及产生换向冲击的原因,并对其节能的可能性进行了分析。指出宽带抽油机不具备节能性能,反而存在耗能因素。

The pumping unit described in this article consists of a frame-mounted mechanical reversing drum. The reversal reducer between the electric motor and the drum serves the functions of speed reducing and periodic reversal. Industrial test of the prototype unit shows that this pumping unit is suited for long-stroke, low-speed and small-output pumping, and has the advantages of small torque, reliable balance and low energy consumption and is light in weight. Owing to the rather low pumping speed, it can not meet...

The pumping unit described in this article consists of a frame-mounted mechanical reversing drum. The reversal reducer between the electric motor and the drum serves the functions of speed reducing and periodic reversal. Industrial test of the prototype unit shows that this pumping unit is suited for long-stroke, low-speed and small-output pumping, and has the advantages of small torque, reliable balance and low energy consumption and is light in weight. Owing to the rather low pumping speed, it can not meet the requirement of large output production.

齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机。电动机和滚筒之间的换向减速箱,既有减速功能,又有周期换向作用。样机的工业试验表明,这种机型适用于长冲程、低冲数、小排量抽汲,具有扭矩小、平衡可靠、节约电能、重量轻等优点,其缺点是冲数较低,不能适应大排量抽汲。

 
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